/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/GeometryCollectionClusteringUtility.h
Clusters using one of ClusterBonesUnderNewNode or ClusterBonesUnderExistingNode based on the context of what is being clustered
static void ClusterBonesByContext ( [FGeometryCollection](API\Runtime\Chaos\GeometryCollection\FGeometryCollection) * GeometryCollection, int32 MergeNode, const [TArray](API\Runtime\Core\Containers\TArray)< int32 > & SourceElementsIn )